Analog input module
Products and reference designs
Analog input module
Overview
Our integrated circuits and reference designs enable you to build analog input modules with high-channel density, high common-mode voltages and out-ruling miswiring protection.
Design requirements
Analog input modules often require:
- Increased speed for precision signal chain.
- High voltage analog multiplexer.
- Advanced protection and diagnostics.
Explore applications similar in function and design
Block diagram
Find products and reference designs for your system.
Voltage & current input module
Analog input front end
Amplifiers (30)
Instrumentation amplifiers
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INA819—Low power (350-µA), precision instrumentation amp with ±60-V overvoltage protection (gain pins 2, 3)
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INA823—Precision (100 µV), low-power (250 µA), wide-supply (2.7 V to 36 V), instrumentation amplifier
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INA828—50-μV Offset, 7-nV/√Hz Noise, Low-Power, Precision Instrumentation Amplifier
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INA128—Precision, 130-dB CMRR, 700-µA, Low-Power, Instrumentation Amplifier
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INA826—Precision, 200-μA Supply Current, 36-V Supply Instrumentation Amplifier
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INA188—36-V, Zero-Drift, Rail-to-Rail-Out Instrumentation Amplifier
Precision op amps (Vos<1mV)
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OPA4188—0.03µV/C, Low Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier
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OPA2320—Dual, precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier
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OPA4189—Quad, 14-MHz, MUX-friendly, zero-drift, rail-to-rail-output, precision operational amplifier
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OPA197—Single, 36-V, precision, rail-to-rail input output, low offset voltage op amp
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OPA2197—Dual 36-V, precision, rail-to-rail input output, low offset voltage op amp
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OPA205—Single, rail-to-rail bipolar precision e-trim™ op amp with low input bias current and low noise
Programmable & variable gain amplifiers (PGAs & VGAs)
Comparators
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LM2903B—Dual industrial grade standard comparator
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TL331B—High voltage, cost optimized, single channel comparator
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TLV1822-Q1—Automotive, dual, micropower high-voltage open-drain comparator
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TLV1861—Single nanopower high-voltage comparator with open-drain output
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TLV7021—Low power, small size comparator with open-drain output
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LM2901AV—Precision quad differential comparator
General-purpose op amps
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TLV8801—Single, 5.5-V, 6-kHz, ultra low quiescent current (450-nA), RRIO operational amplifier
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TLV9152—Dual, 16-V, 4.5-MHz, low-power operational amplifier
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TLV9352—Dual, 40-V, 3.5-MHz, low-power operational amplifier
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TLV9064—Quad, 5.5-V, 10-MHz, RRIO operational amplifier for cost-optimized applications
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TLV9001—One-channel, 1-MHz rail-to-rail input and output 1.8-V to 5.5-V operational amplifier
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OPA2990—Dual, 40-V, 1.1-MHz, low-power operational amplifier
Difference amplifiers
Data converters (6)
Precision ADCs
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ADS8326—16-Bit, Pseudo-Diff Input, 250kSPS Serial Out, 2.7V-to-5.5V Micropower Sampling ADC
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ADS8681W—16-bit, 1MSPS, one-channel, wide bandwidth SAR ADC with programmable input ranges on +5V supply
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ADS114S08B—16-bit, 4-kSPS, 12-ch delta-sigma ADC with PGA and voltage reference for low-cost applications
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ADS125H02—24-bit, 40-kSPS, 2-ch delta-sigma ADC with ±20-V input, PGA, IDACs, GPIOs and VREF
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ADS1261—24-bit, 40-kSPS, 10-ch delta-sigma ADC with PGA, VREF, IDACs & AC excitation for factory automation
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ADS8924B—16-bit, 250-kSPS, one-channel SAR ADC with internal VREF buffer, internal LDO and enhanced SPI
Switches & multiplexers (6)
Analog switches & muxes
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TMUX7309F—±60V fault-protected 4:1 two-channel multiplexers with 1.8V logic and latch-up immunity
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TMUX7308F—±60-V fault-protected, 8:1, one-channel multiplexers with 1.8-V logic
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SN74CBTLV3125—3.3-V, 1:1 (SPST), 4-channel FET bus switch with powered-off protection
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TMUX1119—3-pA on-state leakage current, 5-V, 2:1 (SPDT), 1-channel precision multiplexer
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TMUX1104—3-pA on-state leakage current, 5-V, 4:1, 1-channel precision multiplexer
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MUX508—9.4-pF on-state capacitance, 36-V, 8:1, 1-channel analog multiplexer
Power management (6)
Series voltage references
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REF2025—8-ppm/°C drift, low-power, dual-output Vref & Vref/2 voltage reference
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REF1930—3-V Vref, dual-output Vref & Vref/2 voltage reference
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REF6150—5-V, 8-ppm/°C high-precision voltage reference with integrated buffer & enable pin
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REF3425—2.5-V, low-drift, low-power, small-footprint series voltage reference
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REF35—650-nA quiescent current, 12-ppm/°C drift, ultra-low-power precision voltage reference
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REF50E—Enhanced low-noise (0.5µVpp/V), low-drift (2.5ppm°/C), wide-VIN (42V) precision voltage reference
Sensors (5)
Digital temperature sensors
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TMP1075—1°C I²C temperature sensor with performance upgrades to industry standard LM75 / TMP75
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TMP119—±0.08°C accurate digital temperature sensor in WCSP package with enhanced strain tolerance
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TMP275—±0.5°C Temperature Sensor with I2C/SMBus Interface in Industry Std LM75 Form Factor & Pinout
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TMP112—±0.5°C 1.4V-to-3.6V digital temperature sensor with I²C/SMBus
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LMT01—0.5°C Accurate 2-pin Temperature Sensor with a Pulse Train Interface
Application brief
Technical documentation
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